Application of Microcontrollers Labs Part I - Principles & The ... - ISL

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Microcontroller Labs - Part I (V0.9p) 11. (6 pts) Write a program that will measure the temperature and perform the following: • Energize the green PB's LED when temperature is < 80 °F, de-energize at or above 80°F. • Energize the blue PB's LED when temperature is > 90 °F, de-energize at or below 90°F. • Sound an alarm from the speaker when temperature is > 100 °F and lock in until black PB is pressed. 24
Microcontroller Labs - Part I (V0.9p) Lab F - Hexadecimal & BS2 Memory References: A. Application of Microcontrollers Manual. 1999, Southern Illinois University. B. BASIC Stamp Manual, Version 1.9. 1998. Parallax, Inc. Objectives: 1) Explain the reason for working in the hexadecimal number system. 2) Convert between binary and hexadecimal number systems. 3) Explain the areas of the BS2 Memory Map and their contents. 4) Discuss the function and use of the BS2 registers. 5) Discuss the use of the BS2 EEPROM. 6) Program in PBASIC2 to read and write to EEPROM memory locations. • Read Section F of Reference A. • Run programs and sample code. • Refer to Reference B to clarify or expand on Reference A material as needed. ___________________________________________________________________________ 1. (1 pt) What is the major advantage of using hexadecimal when working with digital systems versus binary 2. (1pt) Hexadecimal is a base ____ number systems. 3. Enter the following program and open the Memory Map window for the BS2. w var word x var byte y var nib z var nib w = 512 y = 11 FOR y = 0 TO 10 x = y + 65 WRITE y, x NEXT x = 205 z = 10 4. (2pts) What is the lowest EEPROM memory address containing program code (per the legend color-coded) in hexadecimal: _________. Converted to decimal: ___________. 5. (2pt) The variable x is stored in register _________. Why . 25
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Application of Microcontrollers Labs Part I - Principles & The ... - ISL

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